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Finding the Fourth Proportional to 360,803,326.22, 497,908,590.18 and 195,790,895.72

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Solution

The fourth proportional to 360,803,326.22, 497,908,590.18 and 195,790,895.72 is: 270,191,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803,326.22 : 497,908,590.18 = 195,790,895.72 : x
  2. Step 2: Convert to fraction form
    360,803,326.22/497,908,590.18 = 195,790,895.72/x
  3. Step 3: Cross multiply
    360,803,326.22x = 497,908,590.18 × 195,790,895.72
  4. Step 4: Simplify right side
    360,803,326.22x = 97,485,968,858,024,592
  5. Step 5: Solve for x
    x = 97,485,968,858,024,592/360,803,326.22
  6. Step 6: Final answer
    x = 270,191,436.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.